| | GLHN ARCHITECTS & ENGINEERS INC | — | IDC | $1 | SMITHSONIAN INSTITUTION | SMITHSONIAN INSTITUTION | SBA | 541310Architectural Services | C1JAARCHITECT AND ENGINEERING- CONSTRUCTION: MUSEUMS AND EXHIBITION BUILDINGS | Nov 20, 2024 | Nov 20, 2024 | — |
| | GLHN ARCHITECTS & ENGINEERS INC | — | IDC | $50,000,500 | US FISH AND WILDLIFE SERVICE | US FISH AND WILDLIFE SERVICE | SBA | 541330Engineering Services | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Sep 23, 2022 | Sep 23, 2022 | — |
| | GLHN ARCHITECTS & ENGINEERS INC | — | IDC | $5,000,000 | BUREAU OF LAND MANAGEMENT | BUREAU OF LAND MANAGEMENT | SBA | 541330Engineering Services | C219ARCHITECT AND ENGINEERING- GENERAL: OTHER | Sep 2, 2020 | Oct 2, 2020 | Oct 1, 2025 |
| | GLHN ARCHITECTS & ENGINEERS INC | FEDERAL SUPPLY SCHEDULE CONTRACT. | FSS | $2,250,000 | FEDERAL ACQUISITION SERVICE | FEDERAL ACQUISITION SERVICE | — | 236220Commercial and Institutional Building Construction | R425SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | Mar 13, 2012 | Mar 13, 2012 | Mar 12, 2017 |
| | GLHN ARCHITECTS & ENGINEERS INC | A-E SERVICES FOR VISN 18. MULTIPLE-AWARD, MULTIPLE-DISCIPLINE | IDC | $0 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541310Architectural Services | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Nov 24, 2008 | Nov 24, 2008 | Nov 23, 2013 |
| | GLHN ARCHITECTS & ENGINEERS INC | ARCHITECT AND ENGINEERING SERVICES FOR VISN 18 | IDC | $9,000,000 | VETERANS AFFAIRS, DEPARTMENT OF | — | — | 541310Architectural Services | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Dec 7, 2006 | Dec 8, 2006 | Nov 30, 2011 |
| | GLHN ARCHITECTS & ENGINEERS INC | IDQ AE CONTRACT | IDC | $0 | VETERANS AFFAIRS, DEPARTMENT OF | VETERANS AFFAIRS, DEPARTMENT OF | — | 541310Architectural Services | C114 | Jan 26, 2006 | Mar 6, 2007 | — |
| | GLHN ARCHITECTS & ENGINEERS INC | — | FSS | $175,676 | VETERANS AFFAIRS, DEPARTMENT OF | — | — | 541310Architectural Services | C114 | Sep 15, 2001 | Sep 15, 2001 | Oct 4, 2006 |
| | GLHN ARCHITECTS & ENGINEERS INC | — | FSS | $0 | VETERANS AFFAIRS, DEPARTMENT OF | — | — | — | C114 | Sep 15, 1999 | Sep 15, 1999 | Jan 15, 2002 |
| | GLHN ARCHITECTS & ENGINEERS INC | — | IDC | $0 | — | — | — | — | C211ARCHITECT AND ENGINEERING- GENERAL: LANDSCAPING, INTERIOR LAYOUT, AND DESIGNING | Sep 15, 1994 | Sep 15, 1994 | Jan 15, 1995 |
| | GLHN ARCHITECTS & ENGINEERS INC | — | IDC | $0 | — | — | — | — | C116 | Dec 15, 1991 | Dec 15, 1991 | — |